# GDScript
extends Node

const ENEMY_COUNT_INIT_DELAY     := 3.0
const PLAYER_GROUP               := "player"
const DEFAULT_SPAWN_MANAGER_PATH := NodePath("../SpawnManager")

@onready var _player: Player = get_tree().get_first_node_in_group(PLAYER_GROUP) as Player
@onready var _spawn_manager: Node = get_node_or_null(DEFAULT_SPAWN_MANAGER_PATH)

func _ready() -> void:
	if _player == null:
		push_warning("GameManager: Kein Player gefunden (Export-Referenz setzen oder Gruppe 'player' verwenden).")
	if _spawn_manager == null:
		push_warning("GameManager: Kein SpawnManager gefunden (Export-Referenz setzen oder NodePath %s)." % str(DEFAULT_SPAWN_MANAGER_PATH))
	await _schedule_enemy_count_sync()


func game_over() -> void:
	var gold := _player.gold if _player else 0
	print("Game Over! You have collected {gold} gold in this run. Try to collect more in the next run...".format({"gold": gold}))
	
# TODO: Show Game Over screen with gold

func _schedule_enemy_count_sync() -> void:
	await get_tree().create_timer(ENEMY_COUNT_INIT_DELAY).timeout
	if _spawn_manager and _spawn_manager.has_method("enemy_count_changed"):
		_spawn_manager.call("enemy_count_changed")

func increase_player_gold(amount: int) -> void:
	_player.gold += amount
	print("Player gets " + str(amount) + " gold and has now " + str(_player.gold) + " in sum!")